Consulta: subjectFacets:"Data Envelopment Analysis"
Registros recuperados: 43
Data/hora: 11/06/2024 02:36:55

Capacity and scale inefficiency: Application of data envelopment analysis in the case of the french seaweed fleet
Provedor de dados: 5
Autores: Guyader, Olivier; Daures, Fabienne.
Data Envelopment Analysis (DEA) models are applied to the main French seaweed fleet to examine capacity output, capacity utilization, and scale inefficiency. Coastal seaweed vessels target only one output - kelp - with the same gear but with different input level combinations. The fishery is seasonal and subject mainly to input regulations, especially a one trip per day regulation implemented in 1987. The consequence was a decline in total observed output and a fall in capacity output and efficient output. Only the largest vessels and a few small vessels harvesting without this regulatory constraint operate at the optimal scale. The question of a change in regulation, especially a shift to an individual quota system, is raised.
Tipo: Text
Palavras-chave: Data Envelopment Analysis; Capacity; Capacity utilization; Scale in- efficiency; Production frontier; Seaweed; Fleet.
Ano: 2005
URL: https://archimer.ifremer.fr/doc/00243/35439/33968.pdf

Buyback Programs: Goals, Objectives, and Industry Restructuring in Fisheries
Provedor de dados: 31
Autores: Kirkley,   James E.; Walden,   John B.; Waters,   James R.
National Oceanic and Atmospheric Administration Fisheries has conducted several buyback programs to reduce harvesting capacity in fisheries.  These programs have attempted to maximize capacity reduction given a fixed budget.  However, restructuring issues have not been considered.  We explore the possibility of satisfying three different buyback objective  We examine the black sea bass trap fishery and determine the number of vessels given different allowable catch levels and objectives of maximizing technical efficiency, capacity utilization, and vessels in the fishery.  We find considerable variation in the number of vessels allowed to remain in the fishery given the different objectives.
Tipo: Journal Article
Palavras-chave: Capacity utilization; Data Envelopment Analysis; Fishery buyback programs; Fishing capacity; C61; D24; Q22; Q28.
Ano: 2004
URL: http://purl.umn.edu/43422

ORGANIC OR CONVENTIONAL? OPTIMAL DAIRY FARMING TECHNOLOGY UNDER THE EU MILK QUOTA SYSTEM AND ORGANIC SUBSIDIES
Provedor de dados: 31
Autores: Breustedt,   Gunnar; Latacz-Lohmann,   Uwe; Tiedemann,   Torben.
A1_4
Tipo: Conference Paper or Presentation
Palavras-chave: Organic farming; EU milk quota; Data Envelopment Analysis; Subsidy payments; Agricultural and Food Policy.
Ano: 2010
URL: http://purl.umn.edu/93934

DEA-Based Incentive Regimes in Health-Care Provision
Provedor de dados: 31
Autores: Agrell,   Per J.; Bogetoft,   Peter.
A major challenge to legislators, insurance providers and municipalities will be how to manage the reimbursement of health-care on partially open markets under increasing fiscal pressure and an aging population. Although efficiency theoretically can be obtained by private solutions using fixed-payment schemes, the informational rents and production distortions may limit their implementation. The healthcare agency problem is characterized by (i) a complex multi-input multi-output technology, (ii) information uncertainty and asymmetry, and (iii) fuzzy social preferences. First, the technology, inherently nonlinear and with externalities between factors, yield parametric estimation difficult. However, the flexible production structure in Data Envelopment...
Tipo: Working or Discussion Paper
Palavras-chave: Data Envelopment Analysis; Regulation; Health care systems; Efficiency; Health Economics and Policy.
Ano: 2001
URL: http://purl.umn.edu/24182

Nitrate Pollution Control Policy and Its Impact on Farms' Performance: A Nonparametric Approach
Provedor de dados: 31
Autores: Piot-Lepetit,   Isabelle; le Moing,   Monique.
The purpose of this paper is to develop models with an individual and a collective management of the European Nitrate directive. The objective is to compare productive efficiency of farms under the two regimes. First, we develop a model that explicitly integrate the individual constraint on organic manure spreading. The individual threshold is introduced as a productive right. Then, we develop a framework that allows for modelling exchange of productive rights among producers. The simulation of a management of the spreading constrainst on organic manure at the regional level give an estimate of the potential gains that can be realised by allowing a collective maagement of the European environmental regulation. Models are based on a nonparametric frontier...
Tipo: Conference Paper or Presentation
Palavras-chave: Environmental regulations; Manure management; Pig farming; Data Envelopment Analysis; Environmental Economics and Policy; C61; D21; Q12; Q52.
Ano: 2005
URL: http://purl.umn.edu/19458

What is my optimal technology? A metafrontier approach using Data Envelopment Analysis for the choice between conventional and organic farming
Provedor de dados: 31
Autores: Breustedt,   Gunnar; Tiedemann,   Torben; Latacz-Lohmann,   Uwe.
We analyse the relative competitiveness between organic and conventional farming under different policy scenarios using a DEA-based non-convex metafrontier model. This model allows us to identify a farm’s ex post optimal technology based on input-output observations. Results for Bavarian dairy farms indicate that more than two-thirds of the farms in both technologies – organic and conventional – have chosen their optimal farming system. The remaining farmers could increase their productivity by roughly 5% on average by switching to the other technology. Assuming away the existence of the EU milk quota, reduces the number of sample farms for which organic farming is the optimal technology by more than three fourth. This finding suggests that ceteris paribus...
Tipo: Conference Paper or Presentation
Palavras-chave: Organic farming; EU milk quota; Data Envelopment Analysis; Metafrontier analysis; Agricultural and Food Policy; Farm Management.
Ano: 2009
URL: http://purl.umn.edu/51754

Allocative and Technical Efficiency of Corporate Farms in Russia
Provedor de dados: 31
Autores: Grazhdaninova,   Margarita; Lerman,   Zvi.
This study is aimed to analyze Russian corporate farms technical efficiency using DEA and allocative efficiency basing upon VMP calculations. The estimations are carried out on three aggregation levels: total farm, sectors (livestock and crops production) and selected commodities (grain, sunflower, beef, milk and pork), using survey data. The results of analyses suggest that there is no substantial misallocation of resources given current input and output prices. High technical efficiency scores speak for production technologies being homogeneous and mean that simple extension of "best practice" production will not eliminate the large productivity gap between Russia and the developed market economies.
Tipo: Conference Paper or Presentation
Palavras-chave: Transition economies; Productivity; Efficiency; Production function; Data Envelopment Analysis; Agribusiness; D610; P230; Q180.
Ano: 2005
URL: http://purl.umn.edu/24756

10 years of transition in Ukraine agriculture: An analysis of productivity and efficiency of enterprises
Provedor de dados: 31
Autores: Lissitsa,   Alexej; Odening,   Martin; Babycheva,   Tamara.
This paper analyzes efficiency and total factor productivity (TFP) change of large agricultural enterprises during their transition to a market economy in Ukraine. In this case the efficiency is calculated by data envelopment analysis and the productivity change is measured by the Malmquist Productivity Change Index in the period between 1990 and 1999. On average, TFP declined by 6% annually, dropping a total 42%. The main reason for the observed TFP decline is a decrease in technical efficiency, which is found to be remarkably significant. At the same time there is a high variation among individual enterprises: their distribution of efficiency scores widens, which indicates that the farms diverge with respect to their economic performance. The Tobit...
Tipo: Working or Discussion Paper
Palavras-chave: Эффективность; Общая продуктивность фактора; Анализ оболочки данных; Малмквист-индекс изменения общей продуктивности фактора; Переходный период; Украина; Effizienz; Totale Faktor Produktivität; Data Envelopment Analysis; Malmquist Productivity Change Index; Transition; Ukraine; Efficiency; Total Factor Productivity; Agribusiness; Community/Rural/Urban Development; Farm Management; Industrial Organization; Productivity Analysis; Q12; D25; O1; O4; P3.
Ano: 2003
URL: http://purl.umn.edu/92168

Influence of rural development policy targets on farm efficiency – An efficiency  study of labour intensive grape growing family farms
Provedor de dados: 31
Autores: Manevska-Tasevska,   Gordana; Hansson,   Helena.
The aim of this study was to provide an empirical analysis of the performance of Macedonian grape-growing family farms assessed in terms of technical, allocative, and economic efficiency and to relate aspects targeted in the Rural Development Program (RDP) to the efficiency scores. The study was based on a two-step efficiency analysis, applying Data Envelopment Analysis (DEA), in the first step, and Tobit regression analysis in the second step. Data were collected between 2006 and 2008 through face-to-face interviews with 300 grape growers in the Tikvesh vineyard district in Macedonia, each represented by the three-year average of inputs, outputs and prices.   The results indicated a large potential for efficiency improvement. The average efficiency was...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Rural development program; Tobit regression; Agricultural and Food Policy; Institutional and Behavioral Economics; Political Economy.
Ano: 2010
URL: http://purl.umn.edu/90807

Efficiency Measure in Nitrogen Management under U.S. Trade Induced Corn Production
Provedor de dados: 31
Autores: Yeboah,   Osei-Agyeman; Gunden,   Cihat; Allen,   Albert J.; Akuffo,   Akua S.
The overall objective of this paper is to measure the impact of the undesirable outputs from NAFTA (agricultural production and trade) on the environment by years in post-NAFTA period. Data Envelopment Analysis (DEA) was used to measure environmental efficiency by considering desirable (corn production) and undesirable (nitrogen) outputs in fifteen states. DEA allowed us to measure the level of nitrogen pollution to be reduced by modeling undesirable output in efficiency evaluation. Data from 15 states (Colorado, Illinois, Iowa, Indiana, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Carolina, Ohio, South Dakota, Texas and Wisconsin) on corn production, land use and nitrogen fertilizer from 1994-2008 (post-NAFTA) were considered. The...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Environmental Efficiency; Nitrogen Pollution; NAFTA.; International Relations/Trade.
Ano: 2011
URL: http://purl.umn.edu/98698

Polarity in DEA Models
Provedor de dados: 31
Autores: Agrell,   Per J.; Bogetoft,   Peter; Tind,   Jorgen.
This article discusses models in data envelopment analysis (DEA) relaxing the standard convexity assumptions. The basic model treats mutually incomparable pairs of sets to be generated by a procedure proposed earlier. Each pair consists of a consumption set and a production set of feasible input-output combinations. Two fundamental operations by the procedure are based on intersection and convex hull generation in the input-output space. A polarity analysis is performed which, subject to the usual assumptions about free disposability and nonnegativity, appears fruitful to do in the framework of blocking and antiblocking sets. It is shown how this leads to an interchange of the above operations extending some classical results from convex analysis. The last...
Tipo: Working or Discussion Paper
Palavras-chave: Data Envelopment Analysis; Polarity; Research Methods/ Statistical Methods.
Ano: 2000
URL: http://purl.umn.edu/24188

Total Factor Productivity Growth in Agriculture:  A Malmquist Index Analysis of 14 Countries, 1979-2008
Provedor de dados: 31
Autores: Zúniga-González,   Carlos Alberto.
This paper don´t was submitted on the conference, however the author participated on the event. He member of the European Association of Agricultual Ecnomist (EAAE)
Tipo: Conference Paper or Presentation
Palavras-chave: Total Factor Productivity Growth; Malmquist Index; Data Envelopment Analysis; Productivity Analysis; D: 24; O: 13; O: 47; P: 51; Q: 10.
Ano: 2011
URL: http://purl.umn.edu/114036

Medición de la ecoeficiencia en procesos productivos en el sector agrario. Caso de estudio sobre producción de cítricos
Provedor de dados: 31
Autores: Ribal,   Javier; Sanjuan,   Neus; Clemente,   Gabriela; Fenollosa,   M. Loreto.
La eco-eficiencia se define mediante la ratio “valor económico/impactos ambientales”. En este trabajo se evalúa la eco-eficiencia de la producción de cítricos en la Comunidad Valenciana. Se han construido 24 escenarios de producción de naranjas según sus prácticas agrícolas y se han determinado sus impactos ambientales mediante Análisis de Ciclo de Vida así como su valor económico añadido. Los resultados se refirieron a 1 kg de naranjas. La integración de la evaluación económica y la ambiental en la ratio se realizó mediante Data Envelopment Analysis. Entre los escenarios más eco-eficientes predominaron los de producción ecológica.
Tipo: Journal Article
Palavras-chave: Eco-eficiencia; Data Envelopment Analysis; Análisis de Ciclo de Vida; Cítricos; Agricultural and Food Policy; Q10; Q51.
Ano: 2009
URL: http://purl.umn.edu/57290

Estimating the Potential Gains from Mergers
Provedor de dados: 31
Autores: Bogetoft,   Peter; Wang,   Dexiang.
We introduce simple production economic models to estimate the potential gains from mergers. We decompose the gains into technical efficiency, size (scale) and harmony (mix) gains, and we discuss alternative ways to capture these gains. We propose to approximate the production processes using the non-parametric Data Envelopment Analysis (DEA) approach, and we use the resulting operational approach to estimate the potential gains from merging agricultural extension offices in Denmark. Contents: 1. Introduction, 2. Literature, 3. Production Models, 4. Measures of Merger Gains, 5. Decomposing Merger Gains, 6. Alternative Decompositions, 7. The Danish Agricultural Extension Services, 8. Final Remarks, References. Key Words: Data Envelopment Analysis,...
Tipo: Working or Discussion Paper
Palavras-chave: Data Envelopment Analysis; Management; Organization; Mergers; Teaching/Communication/Extension/Profession.
Ano: 2003
URL: http://purl.umn.edu/24213

Agglomeration Externalities and Technical Efficiency in Pig Production
Provedor de dados: 31
Autores: Larue,   Solene; Latruffe,   Laure.
The objective of the paper is to assess the effects of agglomeration on technical efficiency of French pig farms. We use a two-stage method to evaluate the effects of agglomeration on technical efficiency. The first stage consists in calculating pig activity’s efficiency scores with the non-parametric method Data Envelopment Analysis (DEA). The second stage is a truncated regression of these scores on agglomeration variables. Data are for 899 French pig producers in 2004. Results suggest that these farms were as much affected by positive agglomeration externalities (that are knowledge spillovers due to farms’ density, and also arise from farms’ closeness to downstream market) as any other businesses. There was however no evidence of negative externalities...
Tipo: Conference Paper or Presentation
Palavras-chave: Agglomeration; Externalities; Data Envelopment Analysis; Industrial Organization; Livestock Production/Industries.
Ano: 2008
URL: http://purl.umn.edu/44272

Measuring and Explaining Technical Efficiency of Dairy Farms: A Case Study of Smallholder Farms in East Africa
Provedor de dados: 31
Autores: Gelan,   Ayele; Muriithi,   Beatrice Wambui.
Replaced with revised version of paper 11/18/10.
Tipo: Journal Article
Palavras-chave: Dairy farms; Efficiency scores; Data Envelopment Analysis; Fractional regression; Returns to scale; Livestock Production/Industries.
Ano: 2010
URL: http://purl.umn.edu/96187

Analysis of Environmental and Economic Efficiency: Application of the Overseer model and simulated data
Provedor de dados: 31
Autores: Ramilan,   Thiagarajah; Scrimgeour,   Frank G.; Marsh,   Dan.
New Zealand’s success in raising agricultural productivity has been accompanied by higher input use, leading to adverse effects on the environment. Until recently, analysis of farm performance has tended to ignore such negative externalities. The current emphasis on environmental issues has led dairy farmers to target improvements in both environmental performance and productivity. Therefore measuring the environmental performance of farms and integrating this information into farm productivity calculations should assist informed policy decisions which promote sustainable development. However this is a challenging process since conventional environmental efficiency measures are usually based on simple input and output flows but nitrogen discharge is a...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Economic; Efficiency; Environment; Agricultural and Food Policy; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Land Economics/Use; Livestock Production/Industries; Research Methods/ Statistical Methods.
Ano: 2009
URL: http://purl.umn.edu/97161

Nonparametric approach for measuring the productivity change and assessing the water use efficiency in the irrigated areas of Tunisia
Provedor de dados: 31
Autores: Chemak,   Fraj.
In order to cope with the water scarcity, Tunisia has to manage efficiently the demand of the economic and social sectors mainly that of the agricultural irrigated activities. Within this context our investigation aims to analyze the technical efficiency, the water use efficiency and the dynamic of the productivity of the irrigated areas in the Sidi Bouzid region. Hence, farm surveys, regarding the cropping years 2003 and 2007, were carried out. We have assessed the technology performance using the Data Envelopment Analysis approach and we have computed the Malmquist index in order to characterize the productivity change. Our empirical findings showed that the technical efficiency of the farms has increased by 17% during this period leading to an...
Tipo: Conference Paper or Presentation
Palavras-chave: Irrigated Area; Technical Efficiency; Water Use Efficiency; Productivity Change; Data Envelopment Analysis; Resource /Energy Economics and Policy; C14; Q12; Q25.
Ano: 2010
URL: http://purl.umn.edu/97046

ZUR WETTBEWERBSFAHIGKEIT DER OSTDEUTSCHEN LANDWIRTSCHAFT - EINE EFFIZIENZANALYSE LANDWIRTSCHAFTLICHER UNTERNEHMEN SACHSEN-ANHALTS UND DER TSCHECHISCHEN REPUBLIK
Provedor de dados: 31
Autores: Rothe,   Andrea; Lissitsa,   Alexej.
COMPETITIVE ABILITY OF EAST GERMAN AGRICULTURE – AN EFFICIENCY ANALYSIS OF FARMS IN SAXONY-ANHALT AND THE CZECH REPUBLIC  The main focus of this Discussion Paper the analysis of the efficiency of agricultural enterprises in Sachsen-Anhalt and the Czech Republic. Using the Data Envelopment Analysis, a nonparametric, based on linear programming approach of efficiency measurement the technical, pure technical and scale efficiency of agricultural enterprises on verge of the eastern enlargement has been analysed. The object was to identify significant differences between enterprises of various legal forms, specialisation and farm size, to draw conclusions to the competitiveness of the agricultural sector of Eastern Germany. It has appeared, that there occurred...
Tipo: Working or Discussion Paper
Palavras-chave: Efficiency; Productivity; Transition; Data Envelopment Analysis; Productivity Analysis; Q12; D25; O1; O4; P3.
Ano: 2005
URL: http://purl.umn.edu/14868

Could small dairy farms in Switzerland compete with their French counterparts? A metafrontier analysis during 1990-2004
Provedor de dados: 31
Autores: Ferjani,   Ali; Latruffe,   Laure.
The objective of the paper is to investigate whether Swiss farms specialised in dairy (the prevailing production of the country), which are small in international standards, would have a survival potential if they had to compete more directly with EU farms. More specifically, we investigate whether Swiss dairy farms would be able to compete with their French counterparts (located in mountainous areas, but larger than Swiss ones) in a future made of increased globalisation and reduced borders. For this we evaluate which country, during the period 1990-2004, would have been more able to use efficiently a common hypothetical technology, and would have had a more productive (own) technology. Efficiency scores and technology ratios are calculated using the...
Tipo: Conference Paper or Presentation
Palavras-chave: Technical efficiency; Technology gap; Data Envelopment Analysis; Dairy farming; Switzerland; France; Agricultural and Food Policy; Productivity Analysis; Q12; D24.
Ano: 2009
URL: http://purl.umn.edu/52828

Empirische Untersuchungen zum optimalen Spezialisierungsgrad ökologisch wirtschaftender Marktfruchtbetriebe
Provedor de dados: 31
Autores: Francksen,   Tammo; Gubi,   Gunther; Latacz-Lohmann,   Uwe.
This paper employs the concept of technology efficiency to analyse the optimal degree of specialisation of organic arable farms. Based on bookkeeping data from 461 organic farms, three technology specific frontiers (each representing a different degree of specialisation)and an all-encompassing metafrontier are estimated using a combination of Data Envelopment Analysis and Window Analysis. The results indicate that a significant proportion of sample farms have not chosen their optimal degree of specialisation. We quantify the potential productivity gain from switching to the optimal specialisation class. This is highest for moderately specialised farms switching to higher degrees of specialisation. We demonstrate that there are significant differences in...
Tipo: Journal Article
Palavras-chave: Organic arable farming; Business strategies; Optimal degree of specialisation; Technology efficiency; Data Envelopment Analysis; Window Analysis; Farm Management; Production Economics; Environmental Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/96729

Efficiency and total factor productivity in post-EU accession Hungarian sugar beet production
Provedor de dados: 31
Autores: Fogarasi,   Jozsef.
This paper analyses efficiency and total factor productivity (TFP) in Hungarian sugar beet production applying non-parametric frontier techniques. For 2004 and 2005 efficiency and TFP are calculated by Data Envelopment Analysis (DEA) and by a Malmquist index respectively. Between 2004 and 2005 the average technical efficiency was very stable, around 0.80 for CRS efficiency and 0.87 for VRS efficiency, suggesting that in both years farms were similarly clustered towards the frontier. The analysis of returns to scale reveals that during both years half (48%) of the sugar beet growers were operating under increasing returns to scale. In the two analysed years changes occurred between decreasing returns to scale and scale efficient farms, when the first...
Tipo: Journal Article
Palavras-chave: Efficiency; TFP; Data Envelopment Analysis; Sugar beet production; FADN.; Crop Production/Industries; Research Methods/ Statistical Methods.
Ano: 2007
URL: http://purl.umn.edu/107653

AGRICULTURAL PRODUCTIVITY ANALYSIS OF EUROPEAN UNION AND EASTERN REGIONS
Provedor de dados: 31
Autores: Serrao,   Amilcar.
This research work uses stochastic frontier analysis (SFA) and data envelopment analysis (DEA) to examine the sources of agricultural productivity growth over time and of productivity differences among countries and regions in European Union over the period 1980-1998.  A comparison of the mean productivity scores obtained by the two approaches show that DEA results are higher than in SFA results, because DEA fits a tighter (more flexible) frontier than the translog frontier. This study is a valuable warning for people to be carefully about the effects of the methodology choice upon their results and to use more than one approach if they suspect that it may have some influence.
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Stochastic Frontier Analysis; Technical Efficiency Change; Technical  Change; Total Factor Productivity Change; European Union.; Productivity Analysis; Q12; D24.
Ano: 2003
URL: http://purl.umn.edu/22167

Impact of groundwater markets in peninsular India on water use efficiency: A Data Envelopment Analysis approach
Provedor de dados: 31
Autores: Manjunatha,   A.V.; Speelman,   Stijn; Van Huylenbroeck,   Guido; Chandrakanth,   Mysore G.
In the hard rock areas of India, overdraft of groundwater has led to negative externalities, increases costs of groundwater irrigation and causes welfare losses. Groundwater markets are slowly emerging as niche markets to improve water distribution and to mitigate water scarcity by stimulating more efficient use. A sample containing water sellers, water buyers and control farmers was collected to test the hypothesis of more efficient water use. The effect of groundwater market introduction on the efficiency of water use is studied using Data Envelopment Analysis (DEA). The calculated subvector efficiencies for water use show that water buyers use water most efficient. But also water sellers are more efficient in their water use than the control group....
Tipo: Conference Paper or Presentation
Palavras-chave: Water use efficiency; Groundwater markets; Data Envelopment Analysis; India; Resource /Energy Economics and Policy; Q.
Ano: 2009
URL: http://purl.umn.edu/50624

Technical Efficiency in Bangladesh Rice Production: Are There Threshold Effects in Farm Size?
Provedor de dados: 31
Autores: Adachi,   Kenji; del Ninno,   Carlo; Liu,   Donald J.
Replaced with revised version of poster 07/21/10.
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Threshold Estimation; Technical efficiency; Total factor productivity; Rice; Farm size; Bangladesh; Community/Rural/Urban Development; International Development; Productivity Analysis.
Ano: 2010
URL: http://purl.umn.edu/61357

Measuring Eco-efficiency of Agricultural Activity in European Countries: A Malmquist Index Analysis
Provedor de dados: 31
Autores: Serrao,   Amilcar.
This paper develops an environmental performance index by applying the benefit of the doubt weighting and the Malmquist index concepts using Kuosmanen and Kortelainen’s approaches. The main difference between these approaches and other methods is that environmental performance is based on the definition of the eco-efficiency as the ratio of economic value added to the environmental damage index.  The overall environmental performance index is also decomposed into two components representing changes due to technological progress (or regress) and due to changes in relative eco-efficiency.    The dynamic environmental performance analysis is applied to 15 European agricultures from 1990 to 2004. Model results show that technical progress mostly explain...
Tipo: Conference Paper or Presentation
Palavras-chave: Benefit of the doubt weighting; Data Envelopment Analysis; Eco-efficiency; Environmental performance analysis; Malmquist Index; Agricultural Activity; Environmental Economics and Policy; Research Methods/ Statistical Methods; Q57; C43; C61.
Ano: 2008
URL: http://purl.umn.edu/6152

Beurteilung der technischen Effizienz der Agrarsektoren der EU-Beitrittsländer anhand parametrischer und nichtparametrischer Analyseverfahren
Provedor de dados: 31
Autores: Francksen,   Tammo; Latacz-Lohmann,   Uwe.
This paper employs Data Envelopment Analysis and Stochastic Frontier Analysis to examine the technical efficiency of the agricultural sectors of the Central and Eastern European accession Countries (CEECs) during the period 1998-2001. The results indicate that the agricultural sectors of many accession countries are both technically inefficient and scale-inefficient. The analysis of changes in total factor productivity suggests slow rates of adoption of technical progress, declining technical efficiency of agricultural enterprises and, as a result, less efficient use of existing technologies and resources during the considered time period.
Tipo: Journal Article
Palavras-chave: Mittel- und osteuropäische Länder; Agrarsektoren; Technische Effizienz; Skaleneffizienz; Data Envelopment Analysis; Stochastische Frontier Analyse; Produktivitätswachstum; Productivity Analysis.
Ano: 2006
URL: http://purl.umn.edu/97317

Technical Change Performance and Water Use Efficiency in the Irrigated Areas: Data Envelopment Analysis Approach
Provedor de dados: 31
Autores: Chemak,   Fraj.
In order to cope with the water scarcity, Tunisia has to manage efficiently the water demand of the economic and social sectors mainly that of the agricultural irrigated activities. Within this context, this investigation aims to analyze the technical efficiency, the water use efficiency and the dynamic of the productivity of the irrigated areas in the Sidi Bouzid region. Farm surveys have been carried out during 2003 and 2007 cropping years and technology performance has been assessed using Data Envelopment Analysis approach. Malmquist index has been also computed in order to characterize the productivity change. Empirical findings showed that the technical efficiency of the farms has increased by 17% during this period leading to an improvement of the...
Tipo: Conference Paper or Presentation
Palavras-chave: Irrigated Area; Technical Efficiency; Water Use Efficiency; Productivity Change; Data Envelopment Analysis; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/114311

TOTAL FACTOR PRODUCTIVITY AND THE BIO ECONOMY EFFECTS
Provedor de dados: 31
Autores: Zúniga-González,   Carlos Alberto.
Selected Paper prepared for presentation at the International Association of Agricultural Economists (IAAE) Triennial Conference, Foz do Iguaçu, Brazil, 18-24 August, 2012
Tipo: Presentation
Palavras-chave: Bio Economy Total Factor Productivity Growth; Malmquist Index; Data Envelopment Analysis; Bio-Economy; Bio-Ethanol; Productivity Analysis; D: 24; O: 13; O: 47; P: 51; Q: 10.
Ano: 2012
URL: http://purl.umn.edu/122939

TECHNICAL AND ECONOMIC EFFICIENCY OF RUSSIAN CORPORATE FARMS: THE CASE OF THE MOSCOW REGION
Provedor de dados: 31
Autores: Svetlov,   Nikolai M.; Hockmann,   Heinrich.
The research focus of the paper is to distinguish allocative and technical inefficiencies on Moscow region corporate farms. DEA specifications with both monetary and technical objective functions are applied. Reduced costs and sensitivity analyses are used to identify fixed inputs constraining either allocative or technical efficiency. To decrease heterogeneity and allow for the accessibility to different technologies of a given farm, the farms are grouped with respect to the set of outputs they produce. Thus, as a result of an unstable market environment, it is shown that allocative inefficiency causes 65-100 % (depending on the group) of total inefficiency in 2002 and 60-96 % in 1999. As for technical inefficiency, in 1999 its major source was the lack...
Tipo: Working or Discussion Paper
Palavras-chave: Technical inefficiency; Allocative inefficiency; Data Envelopment Analysis; Moscow region; Transitional economy; Farm Management; Productivity Analysis; D24; Q12; C14.
Ano: 2005
URL: http://purl.umn.edu/14922

DUTCH, HUNGARIAN AND GERMAN DAIRY FARMS TECHNICAL EFFICIENCY COMPARISON
Provedor de dados: 31
Autores: Kovacs,   Krisztian; Emvalomatis,   Grigorios.
The abolishment of the dairy quota system in the EU is expected to increase competition across dairy farms in Europe. Assuming a common price for milk in the EU, only the most efficient farms will survive in the new environment. The main objective of the paper is to compare dairy farms in Germany, The Netherlands and Hungary about their technical efficiency. In the first part of the research, the efficiency is measured by partial efficiency indexes using one dimensional efficiency measuring. In the second part, the Data Envelopment Analysis (DEA) have to be used to measure efficiency in a multidimensional space, using six inputs and two outputs. It appears from the results that the highest efficiency farms are in the Netherlands, and then Germany and...
Tipo: Journal Article
Palavras-chave: Efficiency; Dairy quota system; Dairy farming; Data Envelopment Analysis; Agribusiness; Livestock Production/Industries.
Ano: 2011
URL: http://purl.umn.edu/104651

DEA APPLICATION TO EVALUATE THE TECHNICAL AND ECOLOGICAL EFFICIENCY OF WATER PRICING POLICIES
Provedor de dados: 31
Autores: Giannoccaro,   Giacomo; Prosperi,   Maurizio; Zanni,   G.
With the enforcement of the Water Framework Directive 2000/60/EC (WFD), policy makers are required to pursue the improvement of the use efficiency of the water resources in the agricultural sector. For this purpose, we suggest a methodology to perform an ex-ante analysis of the efficiency of water pricing policies, based on a two stage DEA technique, by which it is possible to disaggregate the technical and the ecological efficiency of the policy. According to our results, we found that, coherently with the WFD principles, the direct pricing methods show the highest levels of efficiency. However, we have also found that some indirect pricing methods show relatively high levels of efficiency. Therefore, since the high cost for the management and...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Efficiency; Water pricing; Water framework directive; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6499

Empirical Analysis of Agricultural Productivity: Growth in Benin and Mainly Factors which Influence Growth
Provedor de dados: 31
Autores: Constant,   Labintan Adeniyi.
This study examined changes in agricultural productivity at Benin in the context of diverse institutional arrangements using Data Envelopment Analysis (DEA).A time series data which consists of information on agricultural production and means of production were obtained from World Research Institute database, INSAE and rainfall data from AMMA database. The information was for a 43-year period (1961-2003); DEA method was used to measure Malquist index of total factor productivity to evaluate technical change efficiency and technological efficiency change across the country’s 12 provinces. A decomposition of TFP measures revealed whether the performance of factors productivity is due to technological change or technical efficiency change over the reference...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Efficiency; Productivity; Benin; Agribusiness; N57; C01; C23.
Ano: 2011
URL: http://purl.umn.edu/100538

INTA Chinandega Technology impact on the farm productivity of North Pacific Nicaragua, 2003-2009
Provedor de dados: 31
Autores: Zúniga-González,   Carlos Alberto; Navarrere Blanco,   Santos Angel.
This article is the first working paper of the Researching Center for Agricultural Sciences and Applied Economic.  It is a contribution for the INTA Nicaragua.
Tipo: Working or Discussion Paper
Palavras-chave: Total Factor Productivity Growth; Malmquist Index; Data Envelopment Analysis; INTA-Chinandega Technology; Panel Data.; Agricultural and Food Policy; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; D: 24; O: 32; Q: 16.
Ano: 2011
URL: http://purl.umn.edu/109312

Assessment of Environment Impact of CAP Reforms on European Agricultural Production Efficiency
Provedor de dados: 31
Autores: Serrao,   Amilcar.
The studies of performance and production efficiency have ignored additional products of most transformation processes classified as undesirable outputs. Without the inclusion of the undesirable outputs, the efficiency measurement is a purely technical measure, and it does not account for the interaction of the system with the environment and the impact of policy decisions on the system. Moreover, there are technological dependencies between the desirable and the undesirable outputs which have to be included in the analytical tools used to measure efficiency.  The relationships between the desirable and the undesirable outputs motivate the exploration of new areas of the measurement of efficiency to incorporate policy decisions and address new issues. This...
Tipo: Conference Paper or Presentation
Palavras-chave: Data Envelopment Analysis; Performance Measurement; Undesirable Outputs; Technological Dependence; Goal Programming; Common Agricultural Policy; Environmental Economics and Policy; CO2; DO1; Q15; Q58.
Ano: 2011
URL: http://purl.umn.edu/103409

ESTIMATING NON-CONCAVE METAFRONTIERS USING DATA ENVELOPE ANALYSIS
Provedor de dados: 31
Autores: Breustedt,   Gunnar; Francksen,   Tammo; Latacz-Lohmann,   Uwe.
In this article we propose non-concave metafrontiers for estimating the inefficiency among production functions which do not necessarily belong to the same technology. In this case, estimating a joint production by literature approaches might be inappropriate. We call this inefficiency technological inefficiency and suggest Data Envelopment Analysis to construct a metafrontier production function which consists only of parts of different (group) frontier production functions. Thus, in contrast to the common literature our metafrontier does not need any assumptions additional to the group production functions. We illustrate our approach by means of a large sample of differently diversified crop farms. Results show that the literature approach overestimates...
Tipo: Conference Paper or Presentation
Palavras-chave: Efficiency analysis; Metafrontier production function; Data Envelopment Analysis; Production Economics.
Ano: 2007
URL: http://purl.umn.edu/7600

Measuring Technical Efficiency of Dairy Farms with Imprecise Data: A Fuzzy Data Envelopment Analysis Approach
Provedor de dados: 31
Autores: Mugera,   Amin W.
This article integrates fuzzy set theory in Data Envelopment Analysis (DEA) framework to compute technical efficiency scores when input and output data are imprecise. The underlying assumption in convectional DEA is that inputs and outputs data are measured with precision.  However, production agriculture takes place in an uncertain environment and, in some situations, input and output data may be imprecise.  We present an approach of measuring efficiency when data is known to lie within specified intervals and empirically illustrate this approach using a group of 34 dairy producers in Pennsylvania.  Compared to the convectional DEA scores that are point estimates, the computed fuzzy efficiency scores allow the decision maker to trace the performance of a...
Tipo: Conference Paper or Presentation
Palavras-chave: Fuzzy set theory; Data Envelopment Analysis; Membership function; Α-cut level; Technical efficiency; Farm Management; Production Economics; Productivity Analysis; Research Methods/ Statistical Methods; Risk and Uncertainty; D24; Q12; C02; C44; C61.
Ano: 2011
URL: http://purl.umn.edu/103251

The Data Envelopment Analysis (DEA) for determining the efficiency of a production
Provedor de dados: 31
Autores: Lissitsa,   Alexej; Babitcheva,   Tamara.
The Data Envelopment Analysis (DEA) is a relatively new method to measure Technical Efficiency (TE). TE of a Decision Making Unit (DMU) is defined as a ratio of the produced goods and services (Outputs) to the used resources (Inputs). Efficiency comparison become more complicated when market values of the Inputs and Outputs are not available and the figures are expressed in the different measurement units. So, aggregation of the figures into cost or revenue groups become impossible. Such efficiency analysis is especially important for the enterprises in the transformation process. In DEA the Linear Programming (LP) is used to determine relative efficiency of the analysed enterprises. The basic principles of the DEA are introduced in this Discussion Paper...
Tipo: Working or Discussion Paper
Palavras-chave: Efficiency; Produktivity; Data Envelopment Analysis; Effizienz; Produktivität; Эффективность; Продуктивность; Анализ Оболочки Данных.; Agribusiness; Industrial Organization; Productivity Analysis; Q12; D25; O1; O4; P3.
Ano: 2003
URL: http://purl.umn.edu/92169

Measurements of Agricultural Productivity and Efficiency Gains from NAFTA
Provedor de dados: 31
Autores: Yeboah,   Osei-Agyeman; Gunden,   Cihat; Shaik,   Saleem; Allen,   Albert J.; Li,   Tongzhe.
The primary objective of this study is to empirically determine whether North American Free Trade Agreement (NAFTA) has contributed to increased agricultural productivity in any of its member countries. Implementation of the NAFTA began on January 1, 1994. This agreement removed most barriers to trade and investment among the United States, Canada, and Mexico, in which all non-tariff barriers to agricultural trade between these countries were eliminated. Data Envelopment Analysis (DEA) and the Malmquist Productivity Index were used to estimate the total factor productivity change, technical change, and efficiency change of agricultural production for each NAFTA country. Then, using time series data, the efficiency changes in countries were compared to...
Tipo: Conference Paper or Presentation
Palavras-chave: Agricultural Efficiency; Data Envelopment Analysis; Malmquist Index; NAFTA; Total Factor Productivity; International Relations/Trade.
Ano: 2011
URL: http://purl.umn.edu/98726

Normative Economics or Improvement of Economic Life at Regional Level in the Czech Republic
Provedor de dados: 31
Autores: Klufova,   Renata; Friebelova,   Jana; Faltova Leitmanova,   Ivana.
In the context of improvement of economic life, normative economics has to cope, if it is not only a theoretical construct, with various facts which are brought by the economic reality. Becoming aware of the mutual causality of economic phenomena and processes, the consideration of these facts should first define factually a particular area of interest and then identify formally a direction of its improvement. To reduce regional disparities, the key points are both the selection of disparities identification criterions and the specification of values of these criterions. The paper deals with the area which is nowadays relatively common – regional disparities. The improvement in this sense focuses on the decreasing of differences between particular regions...
Tipo: Journal Article
Palavras-chave: Normative economics; Region; Regional disparities; Data Envelopment Analysis; Cluster Analysis; Community/Rural/Urban Development; Public Economics; GA; IN.
Ano: 2010
URL: http://purl.umn.edu/99067

INFORMATION AND CONSULTING SERVICE IN AGRICULTURE OF RUSSIA – A CASE STUDY FROM OMSKAYA OBLAST
Provedor de dados: 31
Autores: Ivachnenko,   Oksana; Lissitsa,   Alexej.
The aim of the following "Discussions Paper" is to present the organisation and tasks of the current consulting service in Russian agriculture exemplified on Omskaya Oblast. Also, the structure of German advisory service in agriculture is described. German consulting service is especially interesting because of transition process in Eastern German Länder from plan to market economy and establishment of new market institutions in agricultural sector. As a new instrument for agricultural consulting service the Data Envelopment Analysis is presented.
Tipo: Working or Discussion Paper
Palavras-chave: Agricultural consulting; Data Envelopment Analysis; Efficiency; Landwirtschaftliche Beratung; Effizienz; Информационно-консультационная служба; Анализ Оболочки Данных; Эффективность.; Agribusiness; Community/Rural/Urban Development; Industrial Organization; International Development; Q13; Q15; Q16.
Ano: 2005
URL: http://purl.umn.edu/92023

Efficiency, Productivity and Environmental Policy: A Case Study of Power Generation in the EU
Provedor de dados: 31
Autores: Jaraite,   Jurate; Di Maria,   Corrado.
This study uses the EU public power generating sector as a case study to investigate the environmental efficiency and productivity enhancing performance of the European Union’s CO2 Emissions Trading Scheme (EU ETS) in its pilot phase. Using Data Envelopment Analysis methods, we measure the environmental efficiency and the productivity growth registered in public power generation across the EU over the 1996-2007 period. In the second stage of our analysis we attempt to explain changes in productivity and efficiency over time using state-of-the-art econometric techniques. Our analysis suggests two conclusions: on the one hand carbon pricing led to an increase in environmental efficiency and to a shift outwards of the technological frontier; on the other...
Tipo: Working or Discussion Paper
Palavras-chave: Emissions Trading; EU ETS; Environmental Efficiency; Productivity Growth; Data Envelopment Analysis; Environmental Economics and Policy; O38; Q48; Q58.
Ano: 2011
URL: http://purl.umn.edu/101297

Energy efficiency improvement for broiler production using non-parametric techniques
Provedor de dados: 111
Autores: Ebrahimi, Sajjad; Mesri Gundoshmian, Tarahom; Abdi, Reza; Raei Jadidi, Mehri.
The goal of this study was to evaluate the sustainability and efficiency of broiler production with regard to energy consumption in Ardabil province, Iran. To reach the goal, linear programming model and Data Envelopment Analysis (DEA) were employed.  Data were collected from the farmers using a face–to–face questionnaire performed in September–December 2014 period.  The DEA application results showed that the average values of technical, pure technical and scale efficiency scores of producers were 0.949, 0.988 and 0.960, respectively.   Also, energy saving target ratio for broiler production was calculated as 8.33%, indicating that by following the recommendations resulted from this study, about 12316.85 MJ/(1000 bird) of total input energy could be saved...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Energy efficiency; Data Envelopment Analysis; Linear programming; Technical efficiency; Broiler.
Ano: 2016
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3562